Index: views/controls/scrollbar/base_scroll_bar_thumb.h |
=================================================================== |
--- views/controls/scrollbar/base_scroll_bar_thumb.h (revision 98466) |
+++ views/controls/scrollbar/base_scroll_bar_thumb.h (working copy) |
@@ -1,82 +0,0 @@ |
-// Copyright (c) 2011 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#ifndef VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_THUMB_H_ |
-#define VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_THUMB_H_ |
-#pragma once |
- |
-#include "ui/gfx/size.h" |
-#include "views/controls/button/custom_button.h" |
-#include "views/controls/scrollbar/scroll_bar.h" |
-#include "views/view.h" |
- |
-namespace gfx { |
-class Canvas; |
-} |
- |
-namespace views { |
- |
-class BaseScrollBar; |
- |
-/////////////////////////////////////////////////////////////////////////////// |
-// |
-// BaseScrollBarThumb |
-// |
-// A view that acts as the thumb in the scroll bar track that the user can |
-// drag to scroll the associated contents view within the viewport. |
-// |
-/////////////////////////////////////////////////////////////////////////////// |
-class VIEWS_EXPORT BaseScrollBarThumb : public View { |
- public: |
- explicit BaseScrollBarThumb(BaseScrollBar* scroll_bar); |
- virtual ~BaseScrollBarThumb(); |
- |
- // Sets the size (width or height) of the thumb to the specified value. |
- void SetSize(int size); |
- |
- // Retrieves the size (width or height) of the thumb. |
- int GetSize() const; |
- |
- // Sets the position of the thumb on the x or y axis. |
- void SetPosition(int position); |
- |
- // Gets the position of the thumb on the x or y axis. |
- int GetPosition() const; |
- |
- // View overrides: |
- virtual gfx::Size GetPreferredSize() OVERRIDE = 0; |
- |
- protected: |
- // View overrides: |
- virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE = 0; |
- virtual void OnMouseEntered(const MouseEvent& event) OVERRIDE; |
- virtual void OnMouseExited(const MouseEvent& event) OVERRIDE; |
- virtual bool OnMousePressed(const MouseEvent& event) OVERRIDE; |
- virtual bool OnMouseDragged(const MouseEvent& event) OVERRIDE; |
- virtual void OnMouseReleased(const MouseEvent& event) OVERRIDE; |
- virtual void OnMouseCaptureLost() OVERRIDE; |
- |
- CustomButton::ButtonState GetState() const; |
- // Update our state and schedule a repaint when the mouse moves over us. |
- void SetState(CustomButton::ButtonState state); |
- |
- private: |
- // The BaseScrollBar that owns us. |
- BaseScrollBar* scroll_bar_; |
- |
- int drag_start_position_; |
- |
- // The position of the mouse on the scroll axis relative to the top of this |
- // View when the drag started. |
- int mouse_offset_; |
- |
- // The current state of the thumb button. |
- CustomButton::ButtonState state_; |
- |
- DISALLOW_COPY_AND_ASSIGN(BaseScrollBarThumb); |
-}; |
- |
-} // namespace views |
- |
-#endif // VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_THUMB_H_ |